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-rw-r--r--dom/tests/mochitest/webcomponents/test_detached_style.html25
1 files changed, 25 insertions, 0 deletions
diff --git a/dom/tests/mochitest/webcomponents/test_detached_style.html b/dom/tests/mochitest/webcomponents/test_detached_style.html
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index 000000000..9c52e2d29
--- /dev/null
+++ b/dom/tests/mochitest/webcomponents/test_detached_style.html
@@ -0,0 +1,25 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1062578
+-->
+<head>
+ <title>Test for creating style in shadow root of host not in document.</title>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<div id="grabme"></div>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1062578">Bug 1062578</a>
+<script>
+var host = document.createElement("div");
+var shadow = host.createShadowRoot();
+shadow.innerHTML = '<style> #inner { height: 200px; } </style><div id="inner">Hello</div>';
+
+grabme.appendChild(host);
+
+var inner = shadow.getElementById("inner");
+is(getComputedStyle(inner, null).getPropertyValue("height"), "200px", "Style in shadow root should take effect.");
+</script>
+</body>
+</html>